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-2( -4)²=
-2×16=
= - 32
b)
√1/9 - (- 1/8) + 1=
√49/36
= 7/6
= 1 ⅙
c)
( -2)³
= - 8
d)
= 9 ⅔
b) 1000=(2×5)³
c) 40=2do potęgi 5 + 2³